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Structure-based alignment of type IIIe cohesin modules. Superposition of type III CohEFD-1 from the RfCohE-XDoc complex colored green with CohE17 (Protein Data Bank code 2ZF9) colored cyan is shown. A, front view of the alignment. B, 90° rotation about the x axis of A. β-Strands 8, 3, 6, and 5 are indicated by number. The position of the protruding β-flap 8 is noted.
